Charles Carlstroem, M.D.
NPI 1134207475 · Psychiatry Physician · Long Beach, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Charles Carlstroem, M.D. is a Psychiatry Physician provider in Long Beach, CA (NPI 1134207475).
Provider details
- NPI number
- 1134207475
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G45430 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
888 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 430 | $98 |
| Psychotherapy With Evaluation and Management Visit, 30 Minutes90833 | 301 | $75 |
| Psychotherapy With Evaluation and Management Visit, 45 Minutes90836 | 144 | $95 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 13 | $235 |
Typical Medicare-allowed amounts for these services range $75–$235 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 36 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Duloxetine Hcl | 100 | 20 |
| Lorazepam | 75 | 12 |
| Alprazolam | 72 | 14 |
| Quetiapine Fumarate | 71 | 11 |
| Escitalopram Oxalate | 56 | — |
| Bupropion Hclbrand: Bupropion Xl | 52 | 15 |
| Fluoxetine Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-02
- Last updated
- 2007-07-08
Frequently asked questions
- What is Charles Carlstroem's NPI number?
- Charles Carlstroem's National Provider Identifier (NPI) is 1134207475, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charles Carlstroem's specialty?
- Charles Carlstroem is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Charles Carlstroem located?
- Charles Carlstroem's practice location on file with NPPES is 1650 Ximeno Ave, Long Beach, CA 90804-2150.
- What is Charles Carlstroem's phone number?
- The practice phone number listed in the NPPES registry for Charles Carlstroem is (562) 494-3633.
- Does Charles Carlstroem accept Medicare?
- Charles Carlstroem is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Charles Carlstroem's NPI active?
- Yes — Charles Carlstroem's NPI (1134207475) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.